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Americium has today (2011) 19 isotopes and 8 isomers.

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Does americium has stable isotopes?

All the isotopes of americium are radioactive and unstable.


When did all primordial americium decay?

Because americium isotopes have not very long half lives any possible (probable) primordial americium disappeared many time ago.


Is americium a radioactive metal?

Yes, americium is a radioactive metal. This element has no stable isotopes.


How has americium changed over time?

As all radioactive elements, isotopes of americium continuously decay.


What is americium's isotopes?

1. Americium has 19 isotopes aqnd 8 isomers known today; for the complete list see the link below. 2. Isotope: an atom of an element having different number of neutrons.


How many neutrons and electrons are in the element americium?

Americium has 95 protons and electrons. Number of neutrons: atomic mass of an isotope - number of protons


Is Americium 241 harmful?

Yes, Americium-241 and other isotopes is potentially harmful if improperly handled because is radioactive.


What is the atomic structure for americium 241?

Americium has (all the isotopes) 95 electrons.


How many neutrons are in element americium legs?

Americium-241 has: 95 protons, 95 electrons, 146 neutrons.For other isotopes the number of neutrons is different.Number of neutrons = Mass number of an isotope - 95


What does isotopes have to do with smoke alarms?

The "ionizing" type of smoke alarms uses Americium.


What is the chemical symbol for americium?

The most known isotopes of americium are 241Am and 242Am.


What are some examples for americium?

For example some useful isotopes: 241Am, 242mAm, 243Am.